How COVID vaccines are revolutionizing medicine | Adrian Hill
The TED Interview
The Importance of Effectiveness in Vaccines
Vaccines are not just about efficacy, but effectiveness. Effectiveness is measuring how well the vaccine performs in the real world. In a scottish study that came out two weeks ago, four and a half million people were followed for incidents of hospitalization. There was something like 94 % for the astrozenic accine, 85 % for the fise accine. Not significantly different numbers, clearly a very major effect in the real world in frail, elderly individuals who are the first to be vaccinated.
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